TracError: Unsupported version control system

Full error message:

TracError: Unsupported version control system "svn". Check that the Python bindings for "svn" are correctly installed.

SVN core import test according inctruction at [1]

[user@server /]# python 
Python 2.5.2 (r252:60911, Sep 30 2008, 15:42:03) 
[GCC 4.3.2 20080917 (Red Hat 4.3.2-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from svn import core
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python2.5/site-packages/svn/core.py", line 19, in <module>
    from libsvn.core import *
  File "/usr/lib64/python2.5/site-packages/libsvn/core.py", line 7, in <module>
    import _core
ImportError: /usr/lib64/libsvn_fs_base-1.so.0: undefined symbol: db_create